The square root of 30 is 5.47. To determine the square root, plug the numbers into the formula x times x equals y, where x is the square root of y. Plugging in the number 30 gives the equation 5.47 times 5.47 equals 30. More »

The square root of 78 is 8.83 and can be found by using the radical function on a calculator. The square root formula for 78 can be expressed as 8.83 times 8.83 equals 78. More »

The square root of 39 is 6.24. The square root of any number can be determined by plugging it into the equation x times x equals y. When solving this formula to find the square root of 39, the formula is 6.24 times 6.24 ... More »

The square root of 1 is 1, just as the square of 1 is 1. The square root of a number finds a result that, when multiplied by itself, equals the original number. More » Math Exponents

The square root of negative one is "i," the imaginary number. This concept is immensely useful in mathematics, as it allows for there to be square roots of negative numbers, which is otherwise not possible using only rea... More »

The square root of 720 is 26.83. The square root is determined by finding a number that, when multiplied by itself, equals the number in the square root function. For 720, this calculation is expressed as 26.83 x 26.83 =... More »

A rational exponent is an exponent written as a fraction, such as 31/2, which is also equal to the square root of three. With a rational exponent, the numerator indicates the power that the base number is raised to and t... More » Math Exponents